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#include "StandardLibrary.h"
#include "cps/Diagnostics.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"
namespace {
struct LibraryFile {
const char *Name;
const char *Data;
size_t Size;
};
#include "StandardLibrary.inc"
}
StandardLibrary::~StandardLibrary() {
if (!Directory.empty()) llvm::sys::fs::remove_directories(Directory);
}
bool StandardLibrary::load(std::vector<std::string> &Inputs) {
auto Error = llvm::sys::fs::createUniqueDirectory("cpsc-std", Directory);
if (Error) {
llvm::errs() << cps::diagnosticPrefix(cps::Severity::Fatal)
<< "cannot extract standard library: " << Error.message() << "\n";
return false;
}
for (const auto &File : LibraryFiles) {
llvm::SmallString<256> Path(Directory);
llvm::sys::path::append(Path, File.Name);
llvm::raw_fd_ostream Output(Path, Error);
if (!Error) {
Output.write(File.Data, File.Size);
Output.close();
Error = Output.error();
}
if (Error) {
llvm::errs() << cps::diagnosticPrefix(cps::Severity::Fatal)
<< "cannot extract standard library file '" << File.Name
<< "': " << Error.message() << "\n";
Output.clear_error();
return false;
}
if (llvm::sys::path::extension(Path) == ".cps") Inputs.emplace_back(Path);
}
return true;
}
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